Nick, a professional magician, is often invited to perform magic tricks at birthday parties and other social gatherings from across the country. However, he offers his services only to clients who stay in the same city as him. He is also known to charge less than other magicians in the city. Nick is pursuing which generic business-level strategy? a. Focus differentiation strategy b. Broad differentiation strategy c. Focus low-cost strategy d. Medium market segmentation strategy e. Broad low-cost strategy